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Stockpiles and ore on leach pads, net (Details) - Minera Yanacocha SRL and subsidiary [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current portion -    
Stockpiles   $ 7,363
Ore on leach pads $ 111,358 124,364
Net realizable value adjustment (b) (1,259) (10,212)
Current ore stockpiles 110,099 121,515
Non-current portion -    
Stockpiles 39,627 33,088
Ore on leach pads 44,546 39,674
Net realizable value adjustment (b)   (3,075)
Non-current ore stockpiles $ 84,173 $ 69,687